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THOMAS P SUMSER
NPI 1467611434
Social Worker - Clinical in Gaithersburg, MD

Active since June 05, 2008PECOS Enrolled
610 E DIAMOND AVE, SUITE 100, GAITHERSBURG, MD 20877(301) 840-3200(301) 840-1348 Get Directions Write a Review

NPPES record last updated: June 5, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas P Sumser NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS P SUMSER (NPI 1467611434) is an individual clinical provider in Gaithersburg, Maryland, licensed in Maryland (11446) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467611434
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameTHOMAS P SUMSER
Location Address610 E DIAMOND AVE, SUITE 100Gaithersburg, MD 20877-5321
Mailing Address610 E Diamond Ave, Suite 100Gaithersburg, MD 20877-5321 · (301) 840-3200 · Fax (301) 840-1348
Phone(301) 840-3200
Fax(301) 840-1348
Sole ProprietorNo
Enumeration DateJune 5, 2008
✔ NPI 1467611434 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MD · 11446
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
610 E DIAMOND AVE, Gaithersburg, MD 20877
Open in Google Maps ↗

Other Identifiers 1

Medicaid816700100MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas P Sumser is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20877 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA KAJDAS
Student in an Organized Health Care Education/Training Program
610 E DIAMOND AVE, SUITE E
GAITHERSBURG, MD 20877
Montgomery County (301) 330-4359
RAQUEL COALE LCPC
Counselor
610 E DIAMOND AVE, SUITE 100
GAITHERSBURG, MD 20877
Montgomery County (301) 840-3200
EVELYN MONTECINOS LGSW
Social Worker
610 E DIAMOND AVE, SUITE 100A
GAITHERSBURG, MD 20877
Montgomery County (301) 840-3200
DALIRIS AMAYA-RIVERA LCPC
Counselor (Mental Health)
610 E DIAMOND AVE, SUITE 100
GAITHERSBURG, MD 20877
Montgomery County (240) 683-6580
AREZOU ARIANE DJAVAN
Social Worker (Clinical)
610 E DIAMOND AVE
GAITHERSBURG, MD 20877
Montgomery County (301) 840-3200
CARLOS E APARICIO
Social Worker
610 E DIAMOND AVE
GAITHERSBURG, MD 20877
Montgomery County (301) 840-3200
VERONICA TUNON LCSW-C
Social Worker (Clinical)
610 E DIAMOND AVE
GAITHERSBURG, MD 20877
Montgomery County (301) 840-3200
GENEVIEVE DIAMOND LCSW-C
Social Worker (Clinical)
610 E DIAMOND AVE
GAITHERSBURG, MD 20877
Montgomery County (443) 682-0261

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Sumser's NPI number?

The NPI number for Thomas Sumser is 1467611434. It was assigned to this individual provider in the NPPES registry on June 5, 2008.

Where is Thomas Sumser located?

Thomas Sumser practices at 610 E Diamond Ave Suite 100, Gaithersburg, MD 20877. The listed phone number is (301) 840-3200.

What is Thomas Sumser's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Thomas Sumser enrolled in Medicare?

Yes. Thomas Sumser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Sumser was last updated on June 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.